1. most rough and uneven in surface or terrain
Usage: superlative form of rugged
2. most harsh or difficult to endure
Usage: superlative form of rugged
3. most sturdy and durable in construction
Usage: superlative form of rugged

Examples

• The ruggedest terrain in the national park requires experienced hikers.
• This is the ruggedest winter we’ve had in decades.
• He chose the ruggedest boots available for the expedition.
• The ruggedest part of the coastline features towering cliffs.
• She survived the ruggedest conditions during her military training.
• The ruggedest laptop model can withstand extreme temperatures.
• They climbed the ruggedest peaks in the mountain range.